John Travolta was awarded an honorary lifetime achievement Palme d'Or in Cannes this week. Photograph: Sameer Al-Doumy/AFP/Getty Images It happened, as most of the best fashion moments do these days, at Cannes. I’m not talking about Demi Moore wearing a pink bow the size of a dog, or Jane Fonda sparkling in Gucci to the point of blindness, but John Travolta, of all people, who appeared at the festival this week to debut a new film and a new look, the centrepiece of which was a beret.